Inventor
Akira Maeki
Inventor
Tokyo, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Kprimary
G06KGraphical data reading11%
H03FAmplifiers11%
H04BTransmission11%
A47LDomestic washing or cleaning6%
G01CMeasuring distances, levels or bearings6%
G01KMeasuring temperature6%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock6%
G01SRadio direction-finding6%
G01VGeophysics6%
G05DSystems for controlling or regulating non-electric variables6%
PatentTitleYear
11,106,957System and method to track pipes using tags based on high redundancy codes202110,877,173Exploration system and diagnosing method thereof202010,657,805Vehicle to vehicle communication device20208,030,995'Power circuit used for an amplifier'20117,664,161'Pulse generator and the transmitter with a pulse generator'20107,170,252'Location aware automata'20076,566,956'High frequency power amplifier'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2021Patents assigned to HITACHI LTD (4)· patent assignee history
2003–2007Based in San Jose, CA, US· patent location history
2007–2010Patents assigned to RENESAS TECH CORP (2)· patent assignee history
2010Based in Kokubunji, JP· patent location history
2011Patents assigned to HITACHI INT ELECTRIC INC (1)· patent assignee history
2011–2020Based in Tokyo, JP· patent location history
2021Based in Cupertino, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 4 | 2003–2021 |
| RENESAS TECH CORP | 2 | 2007–2010 |
| HITACHI INT ELECTRIC INC | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 2011–2020 |
| San Jose, California, US | 2 | 2003–2007 |
| Cupertino, California, US | 1 | 2021 |
| Kokubunji, JP | 1 | 2010 |